CVE-2026-58549: CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in Huawei HarmonyOS
Out-of-bounds read vulnerability in the image codec module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-58549) is an out-of-bounds read in the image codec module of Huawei HarmonyOS, classified under CWE-120 (Classic Buffer Overflow). The flaw allows reading memory beyond the intended buffer size, which may lead to service disruption. The CVSS 3.1 base score is 4.0, indicating medium severity, with attack vector local, low attack complexity, no privileges required, no user interaction, and impact limited to availability. The affected version is exactly 6.1.0. No vendor advisory or patch information is available at this time.
Potential Impact
Successful exploitation may cause a denial of service or service disruption due to the out-of-bounds read, impacting availability. There is no impact on confidentiality or integrity as per the CVSS vector and description.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit local access to the affected system and monitor for unusual behavior related to the image codec module.
CVE-2026-58549: CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in Huawei HarmonyOS
Description
Out-of-bounds read vulnerability in the image codec module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
CVSS v3.1
Score 4.0medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-58549) is an out-of-bounds read in the image codec module of Huawei HarmonyOS, classified under CWE-120 (Classic Buffer Overflow). The flaw allows reading memory beyond the intended buffer size, which may lead to service disruption. The CVSS 3.1 base score is 4.0, indicating medium severity, with attack vector local, low attack complexity, no privileges required, no user interaction, and impact limited to availability. The affected version is exactly 6.1.0. No vendor advisory or patch information is available at this time.
Potential Impact
Successful exploitation may cause a denial of service or service disruption due to the out-of-bounds read, impacting availability. There is no impact on confidentiality or integrity as per the CVSS vector and description.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit local access to the affected system and monitor for unusual behavior related to the image codec module.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- huawei
- Date Reserved
- 2026-07-01T10:03:11.402Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a577e1f68715ace43b3081e
Added to database: 07/15/2026, 12:33:35 UTC
Last enriched: 07/15/2026, 13:03:11 UTC
Last updated: 07/15/2026, 15:52:13 UTC
Views: 6
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